Hoffman Media EDD-4C Water Pump User Manual


 
10
Wiring the Power and Control Cables
Power and control cables are routed through the bottom of the connection box through two strain
relief bushings.
Power cable entry Control cable entry
Green ground wire
connects here
Figure 4: Connection box – cable routing
Wire the connection box according to Figure 5. Connections are described in detail in Table 1 on
page 11.
Control
cable
Power
cable
115 VAC
or
24 VAC/VDC
24VAC/DC S.B. - Pre-lube (pump off) mode
LL - Total lack of oil
PULSE - Drip indication
O.K
.
. - Sufficient lubrication
I
I
J
J
J
J
J
J
Voltage selector switch SW1:
115 VAC / 24 V AC/DC
Note: The pump can be optionally
wired to shut down when the O.K.
relay contacts open.
Figure 5: Connection box – electrical terminals: 115 VAC unit shown
1. Set the power switch SW1 located just below the transformer, for line power (115 VAC or
220 VAC) or 24 V AC/DC according to your requirements. See Figure 5.